42149414939 has 16 divisors (see below), whose sum is σ = 42843279360. Its totient is φ = 41462033760.

The previous prime is 42149414903. The next prime is 42149414941. The reversal of 42149414939 is 93941494124.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42149414939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42149414999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22647869 + ... + 22649729.

It is an arithmetic number, because the mean of its divisors is an integer number (2677704960).

Almost surely, 2^42149414939 is an apocalyptic number.

42149414939 is a deficient number, since it is larger than the sum of its proper divisors (693864421).

42149414939 is a wasteful number, since it uses less digits than its factorization.

42149414939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its digits is 1119744, while the sum is 50.

The spelling of 42149414939 in words is "forty-two billion, one hundred forty-nine million, four hundred fourteen thousand, nine hundred thirty-nine".